A253481 - OEIS

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A253481 as a simple table

n	a(n)
1	187704
2	13402934
3	1028601406
4	78770049974
5	6038749847806
6	463112610524774
7	35518705360530868
8	2724019590586769610
9	208922669579218369758
10	16023371494060520430598
11	1228925625092109547538176

[187704,13402934,1028601406,78770049974, 6038749847806,463112610524774,35518705360530868, 2724019590586769610,208922669579218369758, 16023371494060520430598,1228925625092109547538176]